20251245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10151}}^1$

素因数の和:10185

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 18732435

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 10151, 30453, 50755, 71057, 152265, 192869, 213171, 355285, 578607, 964345, 1065855, 1350083, 2893035, 4050249, 6750415, 20251245]

約数ペア:

[(1, 20251245), (3, 6750415), (5, 4050249), (7, 2893035), (15, 1350083), (19, 1065855), (21, 964345), (35, 578607), (57, 355285), (95, 213171), (105, 192869), (133, 152265), (285, 71057), (399, 50755), (665, 30453), (1995, 10151)]